横向
1
Distance east or west of prime meridian
3
Flat grassland in tropical regions
4
Ocean between Americas and Europe/Africa
5
Line dividing two countries
7
Low area between mountains
10
Distance north or south of equator
12
Large area covered with trees
纵向
2
Physical features of land
6
Large slow-moving mass of ice
7
Mountain that can erupt with lava
8
Goods brought in from another country
9
Region near the equator
11
Body of water surrounded by land